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Diffstat (limited to 'gdb/s390-tdep.c')
-rw-r--r--gdb/s390-tdep.c85
1 files changed, 82 insertions, 3 deletions
diff --git a/gdb/s390-tdep.c b/gdb/s390-tdep.c
index f28bdce..c340758 100644
--- a/gdb/s390-tdep.c
+++ b/gdb/s390-tdep.c
@@ -44,6 +44,7 @@
#include "prologue-value.h"
#include "linux-tdep.h"
#include "s390-tdep.h"
+#include "auxv.h"
#include "stap-probe.h"
#include "ax.h"
@@ -51,6 +52,7 @@
#include "user-regs.h"
#include "cli/cli-utils.h"
#include <ctype.h>
+#include <elf.h>
#include "features/s390-linux32.c"
#include "features/s390-linux32v1.c"
@@ -58,9 +60,11 @@
#include "features/s390-linux64.c"
#include "features/s390-linux64v1.c"
#include "features/s390-linux64v2.c"
+#include "features/s390-te-linux64.c"
#include "features/s390x-linux64.c"
#include "features/s390x-linux64v1.c"
#include "features/s390x-linux64v2.c"
+#include "features/s390x-te-linux64.c"
/* The tdep structure. */
@@ -568,6 +572,30 @@ const short s390_regmap_system_call[] =
-1, -1
};
+const short s390_regmap_tdb[] =
+ {
+ 0x00, S390_TDB_DWORD0_REGNUM,
+ 0x08, S390_TDB_ABORT_CODE_REGNUM,
+ 0x10, S390_TDB_CONFLICT_TOKEN_REGNUM,
+ 0x18, S390_TDB_ATIA_REGNUM,
+ 0x80, S390_TDB_R0_REGNUM,
+ 0x88, S390_TDB_R1_REGNUM,
+ 0x90, S390_TDB_R2_REGNUM,
+ 0x98, S390_TDB_R3_REGNUM,
+ 0xa0, S390_TDB_R4_REGNUM,
+ 0xa8, S390_TDB_R5_REGNUM,
+ 0xb0, S390_TDB_R6_REGNUM,
+ 0xb8, S390_TDB_R7_REGNUM,
+ 0xc0, S390_TDB_R8_REGNUM,
+ 0xc8, S390_TDB_R9_REGNUM,
+ 0xd0, S390_TDB_R10_REGNUM,
+ 0xd8, S390_TDB_R11_REGNUM,
+ 0xe0, S390_TDB_R12_REGNUM,
+ 0xe8, S390_TDB_R13_REGNUM,
+ 0xf0, S390_TDB_R14_REGNUM,
+ 0xf8, S390_TDB_R15_REGNUM,
+ -1, -1
+ };
/* Supply register REGNUM from the register set REGSET to register cache
@@ -579,7 +607,25 @@ s390_supply_regset (const struct regset *regset, struct regcache *regcache,
const short *map;
for (map = regset->descr; map[0] >= 0; map += 2)
if (regnum == -1 || regnum == map[1])
- regcache_raw_supply (regcache, map[1], (const char *)regs + map[0]);
+ regcache_raw_supply (regcache, map[1],
+ regs ? (const char *)regs + map[0] : NULL);
+}
+
+/* Supply the TDB regset. Like s390_supply_regset, but invalidate the
+ TDB registers unless the TDB format field is valid. */
+
+static void
+s390_supply_tdb_regset (const struct regset *regset, struct regcache *regcache,
+ int regnum, const void *regs, size_t len)
+{
+ ULONGEST tdw;
+ enum register_status ret;
+ int i;
+
+ s390_supply_regset (regset, regcache, regnum, regs, len);
+ ret = regcache_cooked_read_unsigned (regcache, S390_TDB_DWORD0_REGNUM, &tdw);
+ if (ret != REG_VALID || (tdw >> 56) != 1)
+ s390_supply_regset (regset, regcache, regnum, NULL, len);
}
/* Collect register REGNUM from the register cache REGCACHE and store
@@ -639,6 +685,12 @@ static const struct regset s390_system_call_regset = {
s390_collect_regset
};
+static const struct regset s390_tdb_regset = {
+ s390_regmap_tdb,
+ s390_supply_tdb_regset,
+ s390_collect_regset
+};
+
static struct core_regset_section s390_linux32_regset_sections[] =
{
{ ".reg", s390_sizeof_gregset, "general-purpose" },
@@ -687,6 +739,7 @@ static struct core_regset_section s390_linux64v2_regset_sections[] =
{ ".reg-s390-high-gprs", 16*4, "s390 GPR upper halves" },
{ ".reg-s390-last-break", 8, "s930 last-break address" },
{ ".reg-s390-system-call", 4, "s390 system-call" },
+ { ".reg-s390-tdb", s390_sizeof_tdbregset, "s390 TDB" },
{ NULL, 0}
};
@@ -711,6 +764,7 @@ static struct core_regset_section s390x_linux64v2_regset_sections[] =
{ ".reg2", s390_sizeof_fpregset, "floating-point" },
{ ".reg-s390-last-break", 8, "s930 last-break address" },
{ ".reg-s390-system-call", 4, "s390 system-call" },
+ { ".reg-s390-tdb", s390_sizeof_tdbregset, "s390 TDB" },
{ NULL, 0}
};
@@ -739,6 +793,9 @@ s390_regset_from_core_section (struct gdbarch *gdbarch,
if (strcmp (sect_name, ".reg-s390-system-call") == 0 && sect_size >= 4)
return &s390_system_call_regset;
+ if (strcmp (sect_name, ".reg-s390-tdb") == 0 && sect_size >= 256)
+ return &s390_tdb_regset;
+
return NULL;
}
@@ -750,6 +807,9 @@ s390_core_read_description (struct gdbarch *gdbarch,
asection *v1 = bfd_get_section_by_name (abfd, ".reg-s390-last-break");
asection *v2 = bfd_get_section_by_name (abfd, ".reg-s390-system-call");
asection *section = bfd_get_section_by_name (abfd, ".reg");
+ unsigned long hwcap = 0;
+
+ target_auxv_search (target, AT_HWCAP, &hwcap);
if (!section)
return NULL;
@@ -757,14 +817,16 @@ s390_core_read_description (struct gdbarch *gdbarch,
{
case s390_sizeof_gregset:
if (high_gprs)
- return (v2? tdesc_s390_linux64v2 :
+ return ((hwcap & HWCAP_S390_TE) ? tdesc_s390_te_linux64 :
+ v2? tdesc_s390_linux64v2 :
v1? tdesc_s390_linux64v1 : tdesc_s390_linux64);
else
return (v2? tdesc_s390_linux32v2 :
v1? tdesc_s390_linux32v1 : tdesc_s390_linux32);
case s390x_sizeof_gregset:
- return (v2? tdesc_s390x_linux64v2 :
+ return ((hwcap & HWCAP_S390_TE) ? tdesc_s390x_te_linux64 :
+ v2? tdesc_s390x_linux64v2 :
v1? tdesc_s390x_linux64v1 : tdesc_s390x_linux64);
default:
@@ -3012,6 +3074,11 @@ s390_gdbarch_init (struct gdbarch_info info, struct gdbarch_list *arches)
"r0h", "r1h", "r2h", "r3h", "r4h", "r5h", "r6h", "r7h",
"r8h", "r9h", "r10h", "r11h", "r12h", "r13h", "r14h", "r15h"
};
+ static const char *const tdb_regs[] = {
+ "tdb0", "tac", "tct", "atia",
+ "tr0", "tr1", "tr2", "tr3", "tr4", "tr5", "tr6", "tr7",
+ "tr8", "tr9", "tr10", "tr11", "tr12", "tr13", "tr14", "tr15"
+ };
const struct tdesc_feature *feature;
int i, valid_p = 1;
@@ -3089,6 +3156,16 @@ s390_gdbarch_init (struct gdbarch_info info, struct gdbarch_list *arches)
valid_p = 0;
}
+ /* Transaction diagnostic block. */
+ feature = tdesc_find_feature (tdesc, "org.gnu.gdb.s390.tdb");
+ if (feature)
+ {
+ for (i = 0; i < ARRAY_SIZE (tdb_regs); i++)
+ valid_p &= tdesc_numbered_register (feature, tdesc_data,
+ S390_TDB_DWORD0_REGNUM + i,
+ tdb_regs[i]);
+ }
+
if (!valid_p)
{
tdesc_data_cleanup (tdesc_data);
@@ -3305,7 +3382,9 @@ _initialize_s390_tdep (void)
initialize_tdesc_s390_linux64 ();
initialize_tdesc_s390_linux64v1 ();
initialize_tdesc_s390_linux64v2 ();
+ initialize_tdesc_s390_te_linux64 ();
initialize_tdesc_s390x_linux64 ();
initialize_tdesc_s390x_linux64v1 ();
initialize_tdesc_s390x_linux64v2 ();
+ initialize_tdesc_s390x_te_linux64 ();
}
generated by cgit v1.1 at 2024-11-14 10:35:50 +0000